﻿var oldDisplay = null;
var oldObj = null;
function mouseClose(i,obj){
	if($("display_"+i).style.display=="none") {
		$("display_"+i).style.display = "";
		obj.innerHTML = "－";
	}else{
		$("display_"+i).style.display="none";
		obj.innerHTML = "＋";
	}
	if(oldDisplay != null && oldDisplay != $("display_"+i)) {
		oldDisplay.style.display = "none";
		oldObj.innerHTML = "＋";
	}
	oldDisplay = $("display_"+i);
	oldObj = obj;
}